/* ===== CSS Variables ===== */
:root {
    --color-primary: #1B4D3E;
    --color-primary-light: #2D6A4F;
    --color-primary-dark: #143D31;
    --color-accent: #C4956A;
    --color-cream: #FAF9F6;
    --color-white: #FFFFFF;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-border: #E5E5E5;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-cream);
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--color-primary-light);
}

ul {
    list-style: none;
}

/* ===== Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== Navigation ===== */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 40px;
    background-color: var(--color-accent);
    width: 100%;
    margin: 0;
}

.nav-links {
    display: flex;
    gap: 12px;
}

.nav-links a {
    padding: 8px 18px;
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease;
}

.nav-links a:hover {
    background-color: var(--color-primary-light);
    color: var(--color-white);
}

/* ===== Applications Bar ===== */
.applications-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    padding: 10px 40px;
    background-color: var(--color-cream);
    border-bottom: 1px solid var(--color-border);
}

.applications-bar span {
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.applications-bar .separator {
    width: 4px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.nav-logo-img {
    height: 50px;
    width: auto;
}

.nav-cta {
    padding: 10px 24px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-sm);
    font-weight: 600;
    transition: all 0.2s ease;
}

.nav-cta:hover {
    background-color: var(--color-primary-light);
    color: var(--color-white);
}

/* ===== Hero Section ===== */
.hero {
    background: #FAF9F6;
    padding: 60px 40px 80px;
    text-align: center;
    min-height: calc(100vh - 46px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-logo-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: 24px;
}

.hero-logo {
    width: 260px;
    height: auto;
    border-radius: var(--radius-md);
}

.logo-tm {
    position: absolute;
    bottom: 12%;
    right: -10px;
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
}

.tagline {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary-dark);
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--color-text-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 600;
    color: var(--color-primary-dark);
    text-align: center;
    margin-bottom: 24px;
}

.section-intro {
    font-size: 18px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    color: var(--color-text-light);
}

/* ===== Problem Section ===== */
.problem-section {
    background-color: var(--color-white);
}

.problem-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 48px;
}

.problem-text .lead {
    font-size: 20px;
    margin-bottom: 24px;
}

.problem-text .highlight {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-primary);
    padding: 20px;
    background-color: var(--color-cream);
    border-left: 4px solid var(--color-primary);
    margin-bottom: 24px;
}

.problem-list h3 {
    font-size: 18px;
    margin-bottom: 16px;
    color: var(--color-primary-dark);
}

.problem-list ul {
    margin-bottom: 24px;
}

.problem-list li {
    padding: 12px 0;
    padding-left: 24px;
    position: relative;
    border-bottom: 1px solid var(--color-border);
}

.problem-list li::before {
    content: "✕";
    position: absolute;
    left: 0;
    color: #C0392B;
    font-weight: bold;
}

.problem-result {
    font-weight: 600;
    color: var(--color-text);
    font-style: italic;
}

/* ===== Solution Section ===== */
.solution-section {
    background-color: var(--color-cream);
}

.technology-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.tech-card {
    background-color: var(--color-white);
    padding: 32px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.tech-icon {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-weight: 700;
    font-size: 20px;
}

.tech-card h3 {
    font-size: 16px;
    color: var(--color-primary-dark);
    margin-bottom: 8px;
}

.tech-card p {
    font-size: 14px;
    color: var(--color-text-light);
}

.tech-result {
    font-size: 18px;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    padding: 24px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-md);
}

/* ===== Benefits Section ===== */
.benefits-section {
    background-color: var(--color-white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.benefit-card {
    padding: 32px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color 0.2s ease;
}

.benefit-card:hover {
    border-color: var(--color-primary);
}

.benefit-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit-card h3 {
    font-size: 18px;
    color: var(--color-primary-dark);
    margin-bottom: 8px;
}

.benefit-card p {
    font-size: 15px;
    color: var(--color-text-light);
}

/* ===== Product Section ===== */
.product-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
}

.product-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.product-section .section-title {
    color: var(--color-white);
}

.product-desc {
    font-size: 20px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.product-uses {
    background-color: rgba(255,255,255,0.1);
    padding: 32px;
    border-radius: var(--radius-md);
    margin-bottom: 32px;
    text-align: left;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.product-uses h3 {
    font-size: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
    opacity: 0.8;
}

.product-uses li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
}

.product-uses li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.product-origin {
    font-size: 16px;
    opacity: 0.85;
    font-style: italic;
}

/* ===== Coming Soon Section ===== */
.coming-soon-section {
    background-color: var(--color-cream);
    text-align: center;
}

.coming-soon-content {
    max-width: 600px;
    margin: 0 auto;
}

.coming-soon-badge {
    display: inline-block;
    padding: 8px 20px;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    margin-bottom: 24px;
}

.coming-soon-content h2 {
    font-family: var(--font-display);
    font-size: 36px;
    color: var(--color-primary-dark);
    margin-bottom: 16px;
}

.coming-soon-content p {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 16px;
}

.coming-soon-location {
    font-weight: 600;
    color: var(--color-primary);
}

/* ===== Contact Section ===== */
.contact-section {
    background-color: var(--color-white);
}

.contact-intro {
    font-size: 18px;
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: 48px;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 80px;
}

.contact-item {
    text-align: center;
}

.contact-item h3 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.contact-item p {
    font-size: 18px;
    margin-bottom: 4px;
}

.contact-item a {
    color: var(--color-primary);
    font-weight: 600;
}

/* ===== Footer ===== */
.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: 60px 0;
    text-align: center;
}

.footer-logo {
    display: none;
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.footer-tagline {
    font-size: 16px;
    opacity: 0.8;
    margin-bottom: 24px;
}

.footer-copyright {
    font-size: 14px;
    opacity: 0.6;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .technology-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .applications-bar {
        gap: 16px;
        padding: 8px 16px;
    }

    .applications-bar span {
        font-size: 12px;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
        padding: 12px 16px;
    }

    .nav-links {
        order: 2;
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 8px;
    }

    .nav-links a {
        padding: 6px 12px;
        font-size: 13px;
    }

    .nav-cta {
        order: 1;
        padding: 8px 16px;
        font-size: 13px;
    }

    .hero {
        padding: 50px 24px 60px;
        min-height: auto;
    }

    .hero-logo {
        width: 200px;
    }

    .logo-tm {
        font-size: 14px;
        right: -8px;
    }

    .hero-title {
        font-size: 28px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 26px;
    }

    .section-intro {
        font-size: 16px;
        padding: 0 16px;
    }

    .problem-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .technology-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .contact-info {
        flex-direction: column;
        gap: 40px;
    }

    .product-uses {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .nav-links {
        gap: 6px;
    }

    .nav-links a {
        padding: 6px 10px;
        font-size: 12px;
    }

    .hero-logo {
        width: 180px;
    }

    .logo-tm {
        font-size: 12px;
        right: -6px;
    }

    .hero-title {
        font-size: 24px;
    }

    .tagline {
        font-size: 13px;
    }

    .technology-grid {
        grid-template-columns: 1fr;
    }

    .tech-card {
        padding: 24px 20px;
    }

    .tech-result {
        font-size: 16px;
        padding: 20px 16px;
    }

    .coming-soon-content h2 {
        font-size: 28px;
    }

    .footer {
        padding: 40px 0;
    }

    .footer-brand {
        font-size: 24px;
    }
}